<?php

    class PHPExcel_Reader_Excel5_Color_BIFF8 {
        protected static $map = [
            0x08 => '000000',
            0x09 => 'FFFFFF',
            0x0A => 'FF0000',
            0x0B => '00FF00',
            0x0C => '0000FF',
            0x0D => 'FFFF00',
            0x0E => 'FF00FF',
            0x0F => '00FFFF',
            0x10 => '800000',
            0x11 => '008000',
            0x12 => '000080',
            0x13 => '808000',
            0x14 => '800080',
            0x15 => '008080',
            0x16 => 'C0C0C0',
            0x17 => '808080',
            0x18 => '9999FF',
            0x19 => '993366',
            0x1A => 'FFFFCC',
            0x1B => 'CCFFFF',
            0x1C => '660066',
            0x1D => 'FF8080',
            0x1E => '0066CC',
            0x1F => 'CCCCFF',
            0x20 => '000080',
            0x21 => 'FF00FF',
            0x22 => 'FFFF00',
            0x23 => '00FFFF',
            0x24 => '800080',
            0x25 => '800000',
            0x26 => '008080',
            0x27 => '0000FF',
            0x28 => '00CCFF',
            0x29 => 'CCFFFF',
            0x2A => 'CCFFCC',
            0x2B => 'FFFF99',
            0x2C => '99CCFF',
            0x2D => 'FF99CC',
            0x2E => 'CC99FF',
            0x2F => 'FFCC99',
            0x30 => '3366FF',
            0x31 => '33CCCC',
            0x32 => '99CC00',
            0x33 => 'FFCC00',
            0x34 => 'FF9900',
            0x35 => 'FF6600',
            0x36 => '666699',
            0x37 => '969696',
            0x38 => '003366',
            0x39 => '339966',
            0x3A => '003300',
            0x3B => '333300',
            0x3C => '993300',
            0x3D => '993366',
            0x3E => '333399',
            0x3F => '333333',
        ];

        /**
         * Map color array from BIFF8 built-in color index
         * @param int $color
         * @return array
         */
        public static function lookup($color) {
            if (isset(self::$map[$color])) {
                return ['rgb' => self::$map[$color]];
            }
            return ['rgb' => '000000'];
        }
    }